Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bao Zha0
Date of Patent
February 15, 2022
0Patent Application Number
166207400
Date Filed
November 26, 2019
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides an optical purification layer, an edge-lit backlight module, and a polarizer. The material of the optical purification layer includes an organic absorbing dye for absorbing cyan light and yellow orange light having a wavelength range of 560-610 nm. The edge-lit backlight module includes a back plate, a reflector, a light guide plate, an edge light source, and an optical film module stacked, wherein the optical purification layer is provided between the edge light source and the light guide plate, or the optical purification layer is further provided between the light guide plate and the diffuse reflection layer, or the light guide plate includes a material of the optical purification layer.
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